forexpro:
firstly it's not anonymous, all transactions can be traced. (It's called block explorer).
secondly, what good has the central bank done to your currency? whether it was the swiss or japanese this week, or Fed with their QEx's. the dollar's has only gone down in value in the past 90 years.
and trust me there's plenty of speculators. in fact you're probably one of them trying to bring its value down so you can buy it up later.
oh and read the whitepaper first, boy. you'll know what you're talking about